Natural Yin turn can make host infectious reduce or disappear, disease remained stable.

自然阴转可使宿主传染性降低或消失，病情趋于稳定。

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Yin and Yang are not fixed or still but active and changeable.

阴阳并不是固定的、静止的，而是活跃的、可改变的。

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Yin and Yang are not fixed or still but active and changeable.

阴阳并不是固定的、静止的，而是活跃的、可改变的。

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